Does anyone have any more pics or technical specs of this glorious beast?
I've been searching for a while and haven't found much.
It appears that the car was initially concieved in 1937, designed by Ferdinand Porsche and built by Mercedes for Hans Stuck, who wanted to make an attempt at the speed record.
Powered by a 44.5-litre V12 giving about 3,000hp it was initially reckoned to be capable of 550km/h, but there are also figures of 600-750km/h (!)
(340 - 465mph)
Unfortunately its unveiling at the 1940 Rekordwoche never happened due to some sort of war.